Merge branch 'add_sun_into_wheather' into 'main'

Add information about sun into weather struct

See merge request !146

CMakeLists.txt

@@ -76,6 +76,8 @@ CPMAddPackage(
           "ENABLE_PREDEFINED_TEMPERATURE_UNITS ON"
           "ENABLE_PREDEFINED_TIME_UNITS ON"
           "ENABLE_PREDEFINED_VELOCITY_UNITS ON"
+          "ENABLE_PREDEFINED_ILLUMINANCE_UNITS ON"
+          "ENABLE_PREDEFINED_LUMINOUS_FLUX_UNITS ON"
 )
 
 # Add library

include/MantleAPI/EnvironmentalConditions/weather.h

@@ -64,6 +64,14 @@ enum class Illumination
   kLevel9
 };
 
+/// Specification of sun properties.
+struct Sun
+{
+  units::angle::radian_t azimuth{};       ///< Azimuth of the sun, counted counter-clockwise, 0=north, PI/2 = west, PI=south, 3/2*PI=east. Range: [0..2*PI].
+  units::angle::radian_t elevation{};     ///< Solar elevation angle, 0=x/y plane, PI/2=zenith, -PI/2=nadir. Range: [-PI/2..PI/2].
+  units::illuminance::lux_t intensity{};  ///< Illuminance of the sun, direct sunlight is around 100,000 lx. Range: [0..inf[.
+};
+
 /// Definition of weather conditions in terms of fog, precipitation, illumination, humidity, temperature and atmospheric pressure states
 struct Weather
 {
@@ -73,6 +81,7 @@ struct Weather
   units::concentration::percent_t humidity{0.0};        ///< Defines the humidity
   units::temperature::kelvin_t temperature{0.0};        ///< Defines the outside temperature around the entities of the scenario
   units::pressure::pascal_t atmospheric_pressure{0.0};  ///< Defines the atmospheric pressure around the entities of the scenario
+  Sun sun{};                                            ///< Defines the sun, i.e. angles and intensity.
 };
 
 }  // namespace mantle_api